<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<script src='jquery源码分析.js'></script>
	<script>
	 	$(function(){
	 		$("<li>hello").appendTo($('ul'));//hello不会被添加
	 	})
		
	</script>
</head>
<body>
	<ul>
		
	</ul>
</body>
</html>
<script>
	if ( typeof selector === "string" ) {//110  $('#div1') $('.box')  $('div') $('#div1 div.box') $('<li>') $('<li>1</li><li>2</li>')
	if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {  // $('<li>') $('<li>1</li><li>2</li>')
				// Assume that strings that start and end with <> are HTML and skip the regex check
				match = [ null, selector, null ];

			} else {  // $('#div1') $('.box')  $('div') $('#div1 div.box') $('<li>hello')
				match = rquickExpr.exec( selector );
			}	

</script>